[RFC 06/10] powerpc: vmlinux.lds.S cleanup - use PERCPU, THREAD_SIZE macroses

[gorcunov@gmail.com]

This patch includes  thread_info.h header into liker script that
allow us to use THREAD_SIZE macro instead of numeric constant

Also PERCPU macro is used instead of explicit section definition

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---

WARNING: COMPLETELY UNTESTED !!!

 vmlinux.lds.S |   16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

Index: linux-2.6.git/arch/powerpc/kernel/vmlinux.lds.S
===================================================================
--- linux-2.6.git.orig/arch/powerpc/kernel/vmlinux.lds.S	2008-01-29 18:03:46.000000000 +0300
+++ linux-2.6.git/arch/powerpc/kernel/vmlinux.lds.S	2008-02-27 21:33:53.000000000 +0300
@@ -8,6 +8,7 @@
 #endif
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/cache.h>
+#include <asm/thread_info.h>
 
 ENTRY(_stext)
 
@@ -145,13 +146,8 @@ SECTIONS
 		__initramfs_end = .;
 	}
 #endif
-	. = ALIGN(PAGE_SIZE);
-	.data.percpu : {
-		__per_cpu_start = .;
-		*(.data.percpu)
-		*(.data.percpu.shared_aligned)
-		__per_cpu_end = .;
-	}
+
+	PERCPU(PAGE_SIZE)
 
 	. = ALIGN(8);
 	.machine.desc : {
@@ -202,11 +198,7 @@ SECTIONS
 	PROVIDE32 (edata = .);
 
 	/* The initial task and kernel stack */
-#ifdef CONFIG_PPC32
-	. = ALIGN(8192);
-#else
-	. = ALIGN(16384);
-#endif
+	. = ALIGN(THREAD_SIZE);
 	.data.init_task : {
 		*(.data.init_task)
 	}

--